How to find the seleted row index of datagridview please help me

You have the .SelectedRows collection thar returns each selected DataGridiewRow
This has the index property that shows the current row number in the DatagridView starting from 0.

Hope this helps

Be a part of the DaniWeb community

We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.